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CAD version: ERCF V2
CHECK FOR RUBBING AND BINDING
Twist the knob and check for rubbing or binding. Take your time to get it right. If it is very misaligned, you can loosen the Gearbox
screws to allow re-alignment of the parts before re-tightening. You want the D-Cut shaft to spin freely. If it is still rubbing after
Gearbox alignment, you may need to disassemble and refit the motor mount to get everything adjusted correctly.
ADJUST MOTOR AND GT2 BELT TENSION
Adjust the belt tension by slightly loosening the top two
M3x16mm screws on the Motor_Arm. Rotate
the motor to change the tension of the belt.
Aim for around 3mm of deflection before retightening and
checking the belt tension again.
In practice, the belt needs to be much
looser than you think so it doesn't
stall the motor as the printed
wheel rotates.
4747
GEARBOX
GEARBOX BELT TENSION
Loosen to
Adjust
≈3mm
Press
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